diff options
| author |   Grant Likely <grant.likely@secretlab.ca> | 2007-10-04 15:44:54 -0600 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2007-10-10 09:14:35 -0600 |
| commit | 17c5c2093624e81acda16fb737e4679750addd7a (patch) | |
| tree | 9784a5f04215fa1ffbbf42d5fdd785a046c8bd18 | |
| parent | [POWERPC] Don't build arch/powerpc/sysdev/dcr.c for ARCH=ppc kernels (diff) | |
| download | linux-dev-17c5c2093624e81acda16fb737e4679750addd7a.tar.xz linux-dev-17c5c2093624e81acda16fb737e4679750addd7a.zip | |
[POWERPC] Uartlite: bootwrapper bug fix, getc loops forever
Fixes inverted logic in uartlite_getc
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| -rw-r--r-- | arch/powerpc/boot/uartlite.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/boot/uartlite.c b/arch/powerpc/boot/uartlite.c index 38a470b329e3..46bed69b4169 100644 --- a/arch/powerpc/boot/uartlite.c +++ b/arch/powerpc/boot/uartlite.c @@ -45,8 +45,8 @@ static void uartlite_putc(unsigned char c) static unsigned char uartlite_getc(void) { - u32 reg = ULITE_STATUS_RXVALID; - while (reg & ULITE_STATUS_RXVALID) /* spin on RXVALID bit */ + u32 reg = 0; + while (!(reg & ULITE_STATUS_RXVALID)) /* spin waiting for RXVALID bit */ reg = in_be32(reg_base + ULITE_STATUS); return in_be32(reg_base + ULITE_RX); } |